{"id":773592,"url":"https://alion.io/job/koahlabs-software-engineer-early-career","title":"Software Engineer, Early Career","company":{"id":679209,"name":"Koah Labs","domain":"koahlabs.com","url":"https://alion.io/company/koahlabs","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":6,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":120000,"max":160000,"currency":"USD","period":"year","gross":null,"usd_annual":160000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":true},{"name":"AWS","optional":true},{"name":"ClickHouse","optional":true},{"name":"Cloudflare","optional":true},{"name":"Dart","optional":true},{"name":"Flutter","optional":true},{"name":"Grafana","optional":true},{"name":"JavaScript","optional":true},{"name":"Loki","optional":true},{"name":"Mimir","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Python","optional":true},{"name":"React Native","optional":true},{"name":"React.js","optional":true},{"name":"Redis","optional":true},{"name":"Ruby","optional":true},{"name":"Ruby on Rails","optional":true},{"name":"Terraform","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-08-18T18:53:44Z","employer_posted_date":"2026-08-18","last_verified_at":"2026-11-01T19:18:22Z","board_verified":true,"closed_at":null,"days_open":75,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":75},"description":"Who We Are\nKoah Labs is building the ad network to power the next generation of AI-native products. Our mission is to help publishers monetize and help advertisers reach the right audience - without compromising speed, UX, or privacy.\nWe’re a small, tight-knit team in San Francisco with backgrounds at X, Apple, Meta and early-stage startups. We’ve raised from top investors and are growing fast with real traction on both the publisher and advertiser sides of the marketplace.\nWorking at Koah means joining at the ground floor: you’ll ship code that shapes the company and the ecosystem we’re building. We move quickly, operate with high trust, and care deeply about craft.\nOur Stack\nInfra: Terraform, AWS, LGTM (Loki, Grafana, Tempo, Mimir), Tailscale, Cloudflare\n\nData: PostgreSQL, ClickHouse, Redis, Kafka, Python\n\nCore Application: Ruby on Rails, React, TypeScript\n\nSDKs: iOS, Android, Web, Flutter, React Native\n\nIn this role, you will:\nHelp shape core ad experiences and shape how people see ads across our ad network\n\nTackle meaningful challenges with increasing autonomy, crafting code that millions of users will experience\n\nTake ownership of projects that matter, make critical technical decisions, and contribute your unique perspective to our product vision.\n\nWork alongside passionate experts across design, product, and data to create the advertising experience in this new era\n\nYou might thrive in this role if you:\nEnjoy proactively communicating with both technical and non-technical stakeholders\n\nAre comfortable working across the stack, tackling new tasks out of your comfort zone, and can handle ambiguity\n\nWork well in-person and enjoy fast feedback loops\n\nEnjoy breaking down problems and testing your hypotheses\n\nGet excited about end-to-end ownership within high agency environments\n\nWant to stand out?\nWe receive a high volume of applications, and we want to give everyone a fair chance to show us what they can do beyond their resume.\nWe’ve put together a short, optional take-home assessment. It’s not required to apply, but completing it is highly encouraged and will help us prioritize reviewing your application.\nComplete the optional take-home assessment","description_format":"text","description_chars":2188,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Advertising"],"lifecycle":[{"event":"open","at":"2026-09-11T22:14:25Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 1","filings_12m":1,"filings_prev_12m":0,"green_card_filings_12m":0,"median_offered_wage_usd":312500,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":13,"band":"cold","label":"Long shot","p_open":1,"p_active":0.457,"p_room":0.28,"age_days":74,"expected_fill_days":27,"reasons":["conf:2","win:tail","crowd:junior"],"computed_at":"2026-11-01T06:10:25Z"},"pay":{"stated_usd_annual":160000,"is_top_pay":true},"html_url":"https://alion.io/job/koahlabs-software-engineer-early-career","json_url":"https://alion.io/job/koahlabs-software-engineer-early-career.json","meta":{"generated_at":"2026-11-01T22:46:48Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":34626,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":679209},"rest":"https://alion.io/mcp/rest/get_company?id=679209"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkoahlabs-software-engineer-early-career"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fkoahlabs-software-engineer-early-career"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fkoahlabs-software-engineer-early-career"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/koahlabs-software-engineer-early-career\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkoahlabs-software-engineer-early-career"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":773592}},{"tool":"search_jobs","arguments":{"company":"koahlabs.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":773592},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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